package?com.jdbc;

import?java.sql.Connection;
import?java.sql.DriverManager;
import?java.sql.SQLException;

public?class?Conn?{
	private?final?static?String?url?=?“jdbc:mysql://localhost:3306/student“;
	private?final?static?String?username?=?“root“;
	private?final?static?String?password?=?““;
	private?static?Connection?conn;
	
	static{
		try?{
			Class.forName（“com.mysql.jdbc.Driver“）;
			conn?=?DriverManager.getConnection（url?username?password）;
		}?catch?（ClassNotFoundException?e）?{
			e.printStackTrace（）;
		}?catch?（SQLException?e）?{
			e.printStackTrace（）;
		}
	}
	
	public?static?Connection?getConnection（）{
//		try?{
//			System.out.println（conn.getmetaData（）.getURL（））;
//		}?catch?（SQLException?e）?{
//			e.printStackTrace（）;
//		}
		return?conn;
	}
	
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-27?21:39??Student\
?????文件?????????929??2017-10-05?16:35??Student\.classpath
?????文件?????????907??2017-10-05?16:08??Student\.project
?????目錄???????????0??2017-10-05?16:08??Student\.settings\
?????文件?????????567??2017-10-05?16:08??Student\.settings\.jsdtscope
?????文件?????????364??2017-10-05?16:08??Student\.settings\org.eclipse.jdt.core.prefs
?????文件?????????473??2017-10-05?16:08??Student\.settings\org.eclipse.wst.common.component
?????文件?????????345??2017-10-05?16:08??Student\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2017-10-05?16:08??Student\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2017-10-05?16:08??Student\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2017-10-05?16:08??Student\build\
?????目錄???????????0??2017-11-02?21:20??Student\build\classes\
?????目錄???????????0??2017-11-02?21:20??Student\build\classes\com\
?????目錄???????????0??2017-11-02?21:20??Student\build\classes\com\jdbc\
?????文件????????1142??2017-11-02?21:20??Student\build\classes\com\jdbc\Conn.class
?????目錄???????????0??2017-11-02?21:20??Student\build\classes\com\jdbc\DAO\
?????文件????????4478??2017-11-02?21:20??Student\build\classes\com\jdbc\DAO\StudentInfoServer.class
?????文件????????1399??2017-11-02?21:20??Student\build\classes\com\jdbc\DAO\ValidateUser.class
?????文件?????????463??2017-11-02?21:20??Student\build\classes\com\jdbc\test.class
?????目錄???????????0??2017-11-02?21:20??Student\build\classes\com\model\
?????文件????????3088??2017-11-02?21:20??Student\build\classes\com\model\StudentInfo.class
?????文件?????????728??2017-11-02?21:20??Student\build\classes\com\model\UserTable.class
?????目錄???????????0??2017-10-05?17:02??Student\src\
?????目錄???????????0??2017-10-05?21:19??Student\src\com\
?????目錄???????????0??2017-10-06?14:51??Student\src\com\jdbc\
?????文件?????????804??2017-10-06?14:51??Student\src\com\jdbc\Conn.java
?????目錄???????????0??2017-10-07?14:41??Student\src\com\jdbc\DAO\
?????文件????????3814??2017-10-09?17:45??Student\src\com\jdbc\DAO\StudentInfoServer.java
?????文件?????????769??2017-10-06?15:38??Student\src\com\jdbc\DAO\ValidateUser.java
?????文件?????????127??2017-10-06?14:51??Student\src\com\jdbc\test.java
?????目錄???????????0??2017-10-07?13:51??Student\src\com\model\
............此處省略29個文件信息